93 lines
2.6 KiB
Python
93 lines
2.6 KiB
Python
# -*- coding: utf-8 -*-
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"""
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wakatime.compat
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~~~~~~~~~~~~~~~
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For working with Python2 and Python3.
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:copyright: (c) 2014 Alan Hamlett.
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:license: BSD, see LICENSE for more details.
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"""
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import codecs
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import sys
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is_py2 = (sys.version_info[0] == 2)
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is_py3 = (sys.version_info[0] == 3)
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if is_py2: # pragma: nocover
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def u(text):
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if text is None:
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return None
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try:
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return text.decode('utf-8')
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except:
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try:
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return text.decode(sys.getdefaultencoding())
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except:
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try:
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return unicode(text)
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except:
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return text.decode('utf-8', 'replace')
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open = codecs.open
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basestring = basestring
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elif is_py3: # pragma: nocover
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def u(text):
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if text is None:
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return None
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if isinstance(text, bytes):
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try:
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return text.decode('utf-8')
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except:
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try:
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return text.decode(sys.getdefaultencoding())
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except:
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pass
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try:
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return str(text)
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except:
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return text.decode('utf-8', 'replace')
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open = open
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basestring = (str, bytes)
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try:
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from importlib import import_module
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except ImportError: # pragma: nocover
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def _resolve_name(name, package, level):
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"""Return the absolute name of the module to be imported."""
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if not hasattr(package, 'rindex'):
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raise ValueError("'package' not set to a string")
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dot = len(package)
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for x in xrange(level, 1, -1):
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try:
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dot = package.rindex('.', 0, dot)
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except ValueError:
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raise ValueError("attempted relative import beyond top-level "
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"package")
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return "%s.%s" % (package[:dot], name)
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def import_module(name, package=None):
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"""Import a module.
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The 'package' argument is required when performing a relative import.
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It specifies the package to use as the anchor point from which to
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resolve the relative import to an absolute import.
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"""
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if name.startswith('.'):
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if not package:
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raise TypeError("relative imports require the 'package' "
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"argument")
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level = 0
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for character in name:
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if character != '.':
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break
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level += 1
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name = _resolve_name(name[level:], package, level)
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__import__(name)
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return sys.modules[name]
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